Perform the Following Operations on the Given Matrices

question 32

Essay

Perform the following operations on the given matrices: $$\begin{array} { l } { [ A ] = \left[ \begin{array} { c c c } 4 & 2 & 1 \\7 & 0 & - 7 \\1 & - 5 & 3\end{array} \right] \quad \quad [ B ] = \left[ \begin{array} { c c c } 1 & 2 & - 1 \\5 & 3 & 3 \\4 & 5 & - 7\end{array} \right] } \\\\{ [ A ] ^ { + } [ B ] ^ { = } ? }\end{array}$$

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Definitions:

Plant Clones

Plants produced asexually from a single ancestor that possess the exact genetic makeup of the original plant.

Peter And Rosemary Grant

Evolutionary biologists known for their long-term study of Darwin's finches, which demonstrated natural selection in action on the Galápagos Islands.

Evolution By Natural Selection

A fundamental mechanism of evolution, proposed by Charles Darwin, where individuals with traits better suited to their environment tend to survive and reproduce, leading to changes in the population over time.

Variation

The differences observed within and among populations in genetically inherited characteristics, essential for natural selection and evolution.